src/qtui/nicklistwidget.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
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  20
  21 #include "nicklistwidget.h"
  22
  23 #include "buffer.h"
  24 #include "nickview.h"
  25 #include "client.h"
  26 #include "networkmodel.h"
  27 #include "buffermodel.h"
  28 #include "nickviewfilter.h"
  29
  30 NickListWidget::NickListWidget(QWidget *parent)
  31   : AbstractItemView(parent)
  32 {
  33   ui.setupUi(this);
  34 }
  35
  36 void NickListWidget::currentChanged(const QModelIndex &current, const QModelIndex &previous) {
  37   BufferInfo::Type bufferType = (BufferInfo::Type)current.data(NetworkModel::BufferTypeRole).toInt();
  38   BufferId newBufferId = current.data(NetworkModel::BufferIdRole).value<BufferId>();
  39   BufferId oldBufferId = previous.data(NetworkModel::BufferIdRole).value<BufferId>();
  40
  41   if(bufferType != BufferInfo::ChannelBuffer) {
  42     ui.stackedWidget->setCurrentWidget(ui.emptyPage);
  43     return;
  44   }
  45
  46   if(newBufferId == oldBufferId)
  47     return;
  48
  49   if(nickViews.contains(newBufferId)) {
  50     ui.stackedWidget->setCurrentWidget(nickViews.value(newBufferId));
  51   } else {
  52     NickView *view = new NickView(this);
  53     NickViewFilter *filter = new NickViewFilter(newBufferId, Client::networkModel());
  54     view->setModel(filter);
  55     QModelIndex source_current = Client::bufferModel()->mapToSource(current);
  56     view->setRootIndex(filter->mapFromSource(source_current));
  57     view->expandAll();
  58     nickViews[newBufferId] = view;
  59     ui.stackedWidget->addWidget(view);
  60     ui.stackedWidget->setCurrentWidget(view);
  61   }
  62 }
  63
  64 void NickListWidget::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
  65   Q_ASSERT(model());
  66   if(!parent.isValid()) {
  67     // ok this means that whole networks are about to be removed
  68     // we can't determine which buffers are affect, so we hope that all nets are removed
  69     // this is the most common case (for example disconnecting from the core or terminating the clint)
  70     NickView *nickView;
  71     QHash<BufferId, NickView *>::iterator iter = nickViews.begin();
  72     while(iter != nickViews.end()) {
  73       nickView = *iter;
  74       iter = nickViews.erase(iter);
  75       ui.stackedWidget->removeWidget(nickView);
  76       QAbstractItemModel *model = nickView->model();
  77       nickView->setModel(0);
  78       if(QSortFilterProxyModel *filter = qobject_cast<QSortFilterProxyModel *>(model))
  79         filter->setSourceModel(0);
  80       model->deleteLater();
  81       nickView->deleteLater();
  82     }
  83   } else {
  84     // check if there are explicitly buffers removed
  85     for(int i = start; i <= end; i++) {
  86       QVariant variant = parent.child(i,0).data(NetworkModel::BufferIdRole);
  87       if(!variant.isValid())
  88         continue;
  89
  90       BufferId bufferId = qVariantValue<BufferId>(variant);
  91       removeBuffer(bufferId);
  92     }
  93   }
  94 }
  95
  96 void NickListWidget::removeBuffer(BufferId bufferId) {
  97   if(!nickViews.contains(bufferId))
  98     return;
  99
 100   NickView *view = nickViews.take(bufferId);
 101   ui.stackedWidget->removeWidget(view);
 102   QAbstractItemModel *model = view->model();
 103   view->setModel(0);
 104   if(QSortFilterProxyModel *filter = qobject_cast<QSortFilterProxyModel *>(model))
 105     filter->setSourceModel(0);
 106   model->deleteLater();
 107   view->deleteLater();
 108 }
 109
 110 QSize NickListWidget::sizeHint() const {
 111   QWidget *currentWidget = ui.stackedWidget->currentWidget();
 112   if(!currentWidget || currentWidget == ui.emptyPage)
 113     return QSize(100, height());
 114   else
 115     return currentWidget->sizeHint();
 116 }